查询词典 ac

In this thesis, the device degradation of low-temperature polycrystalline thin film transistor under gate AC stress in off region with drain bias has been investigated.

在这篇论文中，我们研究了低温复晶矽薄膜电晶体在闸极负偏压脉波且汲极直流偏压的劣化，我们观察到在汲极端会有一个严重的劣化，当闸极操作在负偏压交流讯号且汲极直流偏压下会量测到一个电流(在此我们称为pump current)。

Because AC beautiful eyebrow and that is dead,this is not a blind person has what amour, because firelock hand sees the old a title of respect for a Buddhist or Taoist priest of person tall Martha feels self-abased,also not be, not be more there is head of deal out hunt when cutting watermelon because of sword emperor.

这不是因为AC美眉和那死瞎子有什么奸情，也不是因为火枪手看到人高马大的大法师就感到自卑，更不是因为剑圣切西瓜的时候没有分给猎头一片。

Then the five-fold return on investment Manchester United made on Ronaldo, or the 700 per cent return AC Milan made on Kaka, would become trades of the past.

到那个时候，曼联在C罗身上5倍的投资回报，或AC米兰在卡卡身上7倍的回报，就将成为历史。

AC 74, touch 37, flat-footed 67

AC 74，接触37，措手不及67

First, the paper reviews the development and research of AC transfer speed system, introduces the different control strategy of transfer speed system for asynchronous motor, and discusses the basic principle of vector control system for asynchronous motor in detail,including the mathematics model and coordinate transformation of asynchronous motor, the fundamental equation of vector control, the estimation method of rotor flux, the system structure of vector control etc. Then, the paper lays stress on the fundamental principle, control algorithm and realization method in TMS320LF2407 of space vector pulse width modulation technology.

本文首先简述了交流调速系统的发展和研究重点，介绍了异步电机调速系统的不同控制策略，详细论述了异步电机矢量控制系统的基本原理：异步电机的数学模型和坐标变换、矢量控制的基本方程式、转子磁链的观测方法、矢量控制的系统结构等，并重点分析了空间矢量脉宽调制技术的基本原理、控制算法以及在TMS320LF2407中的实现方法。

Based on CMOS technology and using Composer and Spectre tools of Cadence EDA, a type of single-chip controller is designed for the fly-back switching power supply of AC/DC. It works at 70KHz with current mode pulse width modulation; and the max duty is 75 percent.

本论文基于高压CMOS工艺，用Cadence EDA中的Composer包及Spectre仿真工具，设计了一种反激式AC/DC开关电源控制芯片。

The fly-back topology is adopted for DC/DC boost stage for simplicity. Moreover, full-bridge topology is used for DC/AC stage to give a low frequency square wave power to HID lamp avoid the acoustic resonance.

直流/直流升压级采用电路简单之返驰式转换器；直流/交流级则利用全桥式转换器以提供低频方波电能并藉此避免音频共振。

With the same as AC induction motor, the article also introduced the mathematical model and FOC of ACI.

然后给出了异步电机的数学模型，分析了异步电机矢量控制的原理，并给出了实现方式。

We need tosharpen our foc us to help ac hieve our global mission.

我们需要加重我们的重点以协助达成我

During the control of flux, the idea of FOC is used to decrease the response time of flux. As a result a FOC control of AC driver is performed first.

在转矩控制中，主要利用磁通角的改变来控制转矩，以提高转矩响应的速度。

But GST= 0.156, Nm=1. 588. As a result, the foundation of Youyongchi Avicennia marina population was the result of the migration of hypocotyles and human factors.

这项工作可以为海岸防护林中新引进种类的判定以及为研究种群建立者效应方法的确定提供科学依据。

The two-dimensional CDRC-ADI-FDTD update equations for collision unmagnetized plasma are induced. The unconditional stability of the CDRC-ADI-FDTD formulation for collision unmagnetized plasma is obtained by the examples.

推导了碰撞非磁化等离子体中的二维CDRC-ADI-FDTD迭代公式，并用算例验证了碰撞非磁化等离子体CDRC-ADI-FDTD算法也是无条件稳定的。